http://blogs.technet.com/howardhao/archive/2008/08/19/debug-hyper-v-samples.aspxOne of customers was not able to get the DNS name from a VM by running the samples at: http://msdn.microsoft.com/en-us/library/cc723870(VS.85).aspx I debugged and found out that the Win2008 Virtual System was still running Hyper-V beta. Here are the stepsen-USCommunityServer 2.1 SP1 (Build: 61025.2)